How to choose and use angle grinders
2017-5-6u2002·u2002The Four-Inch Grinder These three grinders are all 4-inch diameter tools, and are the cheapest ones you'll generally find on the market for mass consumption. This is the first size I bought and it's well suited to motorcycle tasks. When you're using grinders on a regular basis it can be tedious changing accessories all the time.
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